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Airworthiness directives › 97-26-11

AD 97-26-11 Airworthiness Directives; Aerospatiale Model ATR42-200, -300, and -320 Series Airplanes

1998-01-23
1997-12-19
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Airframe
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Models named: ATR42-200, -300, -320 series. Read the applicability below — it usually turns on serial or part numbers too.

Applicability*9

Model ATR42-200, -300, and -320 series airplanes, as listed in Aerospatiale Service Bulletin ATR42-57-0044, dated May 30, 1995, or Revision 1, dated June 28, 1995; certificated in any category. Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been otherwise modified, altered, or repaired in the area subject to the requirements of this AD. For airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (b) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.

Compliance

Required as indicated, unless accomplished previously. To detect and correct corrosion on the rear spars of the wings, which could result in reduced structural integrity of the wing, accomplish the following: (a) Within 60 days after the effective date of this AD, perform a one-time detailed visual inspection to detect corrosion of the rear spars of the wings, in accordance with Aerospatiale Service Bulletin ATR42-57-0044, dated May 30, 1995, or Revision 1, dated June 28, 1995. [[Page 66502]] (1) If no corrosion is detected, prior to further flight, apply a protective compound to the areas specified in the service bulletin, in accordance with the service bulletin. (2) If any corrosion is detected, prior to further flight, repair it in accordance with a method approved by the Manager, International Branch, ANM-116, FAA, Transport Airplane Directorate. (b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, International Branch, ANM-116. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, International Branch, ANM-116. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the International Branch, ANM-116. (c) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. (d) The actions shall be done in accordance with Aerospatiale Service Bulletin ATR42-57-0044, dated May 30, 1995; or Aerospatiale Service Bulletin ATR42-57-0044, Revision 1, dated June 28, 1995; which contain the specified effective pages. ---------------------------------------------------------------------------------------------------------------- Service bulletin referenced Revision level shown and date Page No. on page Date shown on page ---------------------------------------------------------------------------------------------------------------- ATR42-57-0044, May 30, 1995... 1-17.............................. Original............. May 30, 1995. ATR42-57-0044, Revision 1, 1, 4, 6-8, 15-16.................. 1.................... June 28, 1995. June 28, 1995. 2, 3, 5, 9-14, 17................. Original............. May 30, 1995. ---------------------------------------------------------------------------------------------------------------- This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from Aerospatiale, 316 Route de Bayonne, 31060 Toulouse, Cedex 03, France. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. Note 3: The subject of this AD is addressed in French airworthiness directive 95-127-063(B), dated August 2, 1995. (e) This amendment becomes effective on January 23, 1998. Issued in Renton, Washington, on December 11, 1997. Gilbert L. Thompson, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 97-32999 Filed 12-18-97; 8:45 am] BILLING CODE 4910-13-U

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